Rename deprecated mcp_qa helpers to tcp_qa

https://mirantis.jira.com/browse/PROD-11772

Change-Id: I15506ab2bff258735e086a360860d0295a416411
diff --git a/src/com/mirantis/tcp_qa/EnvActions.groovy b/src/com/mirantis/tcp_qa/EnvActions.groovy
new file mode 100644
index 0000000..add2c77
--- /dev/null
+++ b/src/com/mirantis/tcp_qa/EnvActions.groovy
@@ -0,0 +1,81 @@
+package com.mirantis.tcp_qa
+
+/**
+ * Activate virtual environment and update requirements if needed
+ */
+def prepareEnv() {
+    sh '''
+        if [ ! -r "${VENV_PATH}/bin/activate" ]; then
+            echo 'Python virtual environment not found! Set correct VENV_PATH!'
+            exit 1
+        fi
+    '''
+
+    sh '''
+        . ${VENV_PATH}/bin/activate
+        pip install --upgrade --upgrade-strategy=only-if-needed -r tcp_tests/requirements.txt
+    '''
+}
+
+
+/**
+ * Download an image for tests
+ */
+def prepareImage() {
+    sh '''
+      if [ -n "${IMAGE_LINK}" ]; then
+          IMAGE_FILE="$(basename "${IMAGE_LINK}")"
+          IMAGES_DIR="$(dirname "${IMAGE_PATH}")"
+          mkdir -p "${IMAGES_DIR}"
+          cd "${IMAGES_DIR}" && wget -N "${IMAGE_LINK}"
+          ln -sf "${IMAGES_DIR}/${IMAGE_FILE}" "${IMAGE_PATH}" || test -f "${IMAGE_PATH}"
+      fi
+
+      if [ ! -r "${IMAGE_PATH}" ]; then
+          echo "Image not found: ${IMAGE_PATH}"
+          exit 1
+      fi
+
+    '''
+}
+
+/**
+ * Check that bridge traffic is not filtered on the host
+ */
+def checkBridgeNetfilterDisabled () {
+    def res = sh(script: 'file /proc/sys/net/bridge/bridge-nf-call-iptables 2>/dev/null || echo "Not found"',
+                 returnStdout: true).trim()
+    if ( ! res.equals('Not found') ) {
+        res = sh(script: 'cat /proc/sys/net/bridge/bridge-nf-call-iptables',
+                     returnStdout: true).trim()
+        if ( ! res.equals('0') ) {
+             error("Kernel parameter 'net.bridge.bridge-nf-call-iptables' should be disabled to run the tests!")
+        }
+    } else {
+        echo("WARNING: it isn't possible to check net.bridge.bridge-nf-call-iptables value. Please make sure it is set to '0'!")
+    }
+}
+
+
+/**
+ * Destroy running environment
+ */
+def destroyEnv() {
+    if ( !(env.KEEP_BEFORE.equals('yes') || env.KEEP_BEFORE.equals('true')) ) {
+        sh '''
+            . ${VENV_PATH}/bin/activate
+            dos.py destroy ${ENV_NAME} || true
+        '''
+    }
+}
+
+/**
+ * Erase running environment
+ */
+def eraseEnv() {
+        sh '''
+            . ${VENV_PATH}/bin/activate
+            dos.py erase ${ENV_NAME} || true
+        '''
+}
+